NEPAMesh
Meshtastic Enthusiasts in the Northeast Pennsylvania Area

Latest

10
Aug
The NEPAMesh live map showing Meshtastic node markers scattered across the Wyoming Valley region of Northeastern Pennsylvania.

NEPAMesh's Four Dashboards, Explained: Map, View, Monitor, and Propagation

NEPAMesh runs four Meshtastic dashboards, and each one answers a different question. Here's a plain English walkthrough of what each shows and how to read it.
7 min read
07
Aug
The silhouette of a jet airliner seen head-on against a sunset sky, with its contrail glowing orange in the last light.

July Follow-Up: What's New in MeshShadow

A passenger jet exposed a bug in NEPAMesh's node count. Here is the fix, plus what else is new in MeshShadow this month: proactive router health warnings and a way to claim your own node before it goes dark.
7 min read
01
Aug
A self-supporting amateur radio tower with antennas mounted on a mountain ridge at over 4,000 feet elevation, similar to the ridge-top router sites NEPAMesh depends on for coverage.

July on the Mesh: A Coverage Drop, a Silent Router, and Numbers That Don't Agree

A cat knocked loose an antenna connection at BMBF, and we thought that solved it. It didn't. Two routers are still missing, and the mystery is still open.
5 min read
30
Jul
Polar diagram comparing vertical radiation patterns of quarter-wave, half-wave, and 0.625-wavelength monopole antennas, showing longer elements flattening toward the horizon.

Antenna Gain vs. Takeoff Angle: Why Bigger Isn't Always Better in NEPA's Hills

A 9 dBi collinear sounds like a straight upgrade over a 2 dBi dipole, but in NEPAMesh's ridge-and-valley terrain it can make your node hear less, not more. Takeoff angle decides which antenna actually helps.
4 min read
25
Jul
Assortment of battery types on a workbench: lead-acid 12V 18Ah, 12V 7Ah, 18650 lithium cells, LiPo packs, and a small 3.7V LiPo

How Long Will Your Meshtastic Node Last on Battery?

The biggest factor in Meshtastic battery life isn't your battery size. It's your chip platform. Here's what the numbers actually look like.
4 min read
20
Jul
Close-up of a teal circuit board showing a u-blox GPS radio module with STATUS, GPS, and RADIO labels in the silkscreen

How to Update Your Meshtastic Firmware (and Why You Should)

Old Meshtastic firmware breaks direct messages and misses security fixes. Here's how to check your version and update, by device type.
3 min read
14
Jul
Stylized green-on-black illustration of a key transmitting radio waves to an encryption lock labeled RADIO_FREQ: 915MHz

Who Can Read Your Meshtastic Messages?

The default Meshtastic channel is encrypted with a key everyone already has. Here's what that means, and how to create a channel only your group can read.
4 min read
01
Jul
NEPAMesh propagation dashboard showing 1,771 total nodes and network statistics for June 2026

June on the Mesh: 1,771 Nodes, a T-Deck at 39,000 Feet, and the First Meetup

The network hit 1,771 registered nodes in June. A T-Deck keyboard node appeared over Pennsylvania at 39,659 feet. And for the first time, the people behind the nodes met in person.
4 min read
28
Jun
A hiker with a daypack walks down a forested trail.

The Go-Bag Meshtastic Node: Field-Ready, Low-Power, One Weekend Build

A Meshtastic node doesn’t have to sit on a shelf. Here’s how to pick hardware that survives a pack, configure it for battery life, recharge it from the sun, and put a real antenna on it when you need range.
6 min read
19
Jun
Where NEPAMesh Needs You Next

Where NEPAMesh Needs You Next

Back Mountain has zero active NEPAMesh nodes. Our propagation model says one node there would reduce network shadow by 2% in a single placement, the highest uncovered gap in the Wyoming Valley region. Here's what the network looks like and what one well-placed node would change.
5 min read